package ooday03;

public class RefArrayDemo {
    public static void main(String[] args) {
        Dog[] dogs=new Dog[3];//声明Dog型数组dogs，包含3个元素，每个元素都是Dog型，默认值为null
        dogs[0]=new Dog("小黑",2,"黑");
        dogs[1]=new Dog("小白",1,"白");
        dogs[2]=new Dog("小灰",2,"灰");
        System.out.println(dogs[0].name);
        dogs[1].age=4;
        dogs[2].swim();
        System.out.println("------");
        for (int i=0;i<dogs.length;i++){
            System.out.println(dogs[i].name);
            dogs[i].eat();
        }

        Chick[] chicks=new Chick[2];
        chicks[0]=new Chick("小花",1,"花");
        chicks[1]=new Chick("大花",2,"花");
        for (int i=0;i<chicks.length;i++){
            System.out.println(chicks[i].name);
            chicks[i].layEggs();
        }

        Fish[] fish=new Fish[4];
        fish[0]=new Fish("小金",1,"金");
        fish[1]=new Fish("大金",4,"金");
        fish[2]=new Fish("小绿",1,"绿");
        fish[3]=new Fish("小红",3,"红");
        for (int i=0;i<fish.length;i++){
            System.out.println(fish[i].color);
            fish[i].swim();
        }
    }
}
